Messages in this thread | | | Subject | Re: [PATCH 6/6] pinctrl: mt8173: set GPIO16 to usb iddig mode | From | Matthias Brugger <> | Date | Wed, 23 Nov 2016 19:32:48 +0100 |
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Hi Hongzhou,
On 12/05/16 04:55, Hongzhou Yang wrote: > On Wed, 2016-05-11 at 19:09 -0700, Hongzhou Yang wrote: >> On Thu, 2016-05-12 at 09:41 +0800, chunfeng yun wrote: >>> Hi, >>> >>> On Wed, 2016-05-11 at 11:32 -0700, Hongzhou Yang wrote: >>>> On Wed, 2016-05-11 at 13:56 +0200, Linus Walleij wrote: >>>>> On Tue, May 10, 2016 at 10:23 AM, Chunfeng Yun >>>>> <chunfeng.yun@mediatek.com> wrote: >>>>> >>>>>> the default mode of GPIO16 pin is gpio, when set EINT16 to >>>>>> IRQ_TYPE_LEVEL_HIGH, no interrupt is triggered, it can be >>>>>> fixed when set its default mode as usb iddig. >>>>>> >>>>>> Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com> >>>>> >>>> >>>> Chunfeng, GPIO16 can be used as EINT16 mode, but the pinmux should be 0. >>>> If you want to set its default mode to iddig, you should set it in dts. >>>> >>> I set it in DTS, but it didn't work, because when usb driver requested >>> IRQ, pinmux was switched back to default mode set by >>> MTK_EINT_FUNCTION(). >>> >> >> After confirmed, there are something wrong with data sheet and pinmux >> table, and GPIO16 can only receive interrupt by mode 1. So >> >> Acked-by: Hongzhou Yang <hongzhou.yang@mediatek.com> >> > > Linus, > > We find there are some other pins still have the same problem, so please > hold on it. Sorry for so much noise. >
Did you made any progress on this? I didn't see any patch on the mailing list.
Regards, Matthias
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